Cloud Infrastructure Engineer

A leading market-making and proprietary trading organization is seeking an experienced Cloud Infrastructure Engineer to own the design, deployment, and operational management of a comprehensive AWS and hybrid infrastructure stack. The position involves collaboration with trading and research teams to deliver high-performance, secure, and resilient infrastructure solutions critical to core trading activities., * Design, deploy, and maintain cloud infrastructure across production, staging, and development environments using AWS services (EC2, VPC, IAM, S3, CloudFormation, Direct Connect, Transit Gateway) and hybrid on-premises systems

• Manage on-prem infrastructure including network hardware, Active Directory, Microsoft services, firewalls, and network security controls
• Develop automation and configuration management solutions utilizing CloudFormation, Ansible, and scripting languages such as Python and Bash for deployment pipelines and infrastructure provisioning
• Build and operate CI/CD pipelines with GitLab CI, integrating monitoring systems like Prometheus, Grafana, and CloudWatch for comprehensive observability and alerting
• Architect and optimize network topology including routing protocols (BGP, OSPF), VLAN configuration, VPN setup, and firewall policies to ensure high availability and disaster recovery readiness
• Implement and enforce security best practices, including network segmentation, access controls, intrusion prevention, and adherence to compliance standards
• Collaborate closely with trading, quantitative research, and risk teams to ensure infrastructure performance, reliability, and low latency meet production requirements, This is a direct hire, permanent placement opportunity. We are not accepting corp-to-corp (C2C) arrangements, third-party agency submissions, or candidate referrals from outside recruiters or staffing firms. Candidates on a visa requiring sponsorship will not be considered for this role. All applicants must be authorized to work in the United States without sponsorship, now or in the future. Unsolicited submissions from third-party recruiters will not be acknowledged and do not create any obligation on the part of The Phoenix Group.

• 3+ years of hands-on experience in cloud infrastructure, DevOps, or network engineering within trading, capital markets, or latency-critical environments
• Solid proficiency in AWS cloud services: EC2, VPC, IAM, S3, CloudFormation, Direct Connect, Transit Gateway
• Strong understanding of networking fundamentals including BGP, OSPF, VLANs, VPNs, firewall policies, and segmentation
• Practical experience with automation scripting in Python and Bash; preference for automation over manual processes
• Knowledge of hybrid infrastructure architecture and network security best practices
• AWS Professional Certification highly preferred
• Strong collaboration skills and ability to operate in a high-pressure trading environment

Nice-to-Have Qualifications

• Experience with observability tools such as Prometheus, Grafana, and CloudWatch
• Knowledge of active directory, Microsoft services, and enterprise network infrastructure
• Familiarity with disaster recovery strategies and high-availability architecture

Core Technical Skills

AWS Cloud Services (EC2, VPC, IAM, S3, CloudFormation, Direct Connect, Transit Gateway) | Networking (BGP, OSPF, VLANs, VPNs, firewalls) | Infrastructure automation (Ansible, CloudFormation, scripting in Python/Bash) | Monitoring & observability (Prometheus, Grafana, CloudWatch) | Hybrid infrastructure (on-prem systems, Active Directory, Microsoft services) | Security and compliance best practices

Elevate your career by joining a dynamic financial trading firm at the forefront of innovative market making and proprietary trading technology. This is a strategic infrastructure engineering role within a fast-paced, latency-sensitive environment that directly impacts trading outcomes and profitability.